August 2004: First engine design
meeting
October 2004: Engine specification first issue
April 2005: Layout work started on MP4-21First design meeting
Mid April 2005: Gearbox simulation
May 2005: Car specification first issue
First scheming of gearbox
15th June 2005: First dyno test for V8 engine
Early July 2005: Windtunnel work commences
July 2005: First drawing for gearbox
August 2005: Datum sheet Issue, final dimensions
September 2005: First track test for Mercedes-Benz V8 engine
Gearbox production begun
October 2005: Chassis manufacturing begun
November 2005: Car mock-up ready: Chassis
Initial engine
Final engine
December 2005: First chassis ready for bonding
FIA test on first chassis
First car build started
January 2006: First full power gearbox dyno test
First car build finished
First track test of MP4-21
March 2006: Final shakedown before first race
3rd March 2006: Cars depart McLaren Technology Centre for first
race